IMECH-IR  > 非线性力学国家重点实验室
Tap dance of a water droplet
Wang ZQ(王子千); Wang FC(王奉超); Zhao YP(赵亚溥); Zhao, YP; Chinese Acad Sci, State Key Lab Nonlinear Mech LNM, Inst Mech, Beijing 100190, Peoples R China.
Source PublicationPROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES
2012-09-01
Volume468Issue:2145Pages:2485-2495
ISSN1364-5021
AbstractElectro-elasto-capillarity (EEC) is a new method of droplet encapsulation controlled by an electric field. In this paper, we report some experiments, for the first time, to realize EEC under a dynamic electric field, showing the progress of electrowetting on a moving substrate. We employ the combined effects of surface tension, elastic force and Coulomb force to manipulate the flexible thin film to encapsulate and release a tiny droplet in a controllable and reversible manner. An alternating current electric field is applied to actuate the droplet and film to vibrate, as if they are dancing to a melody. We measured the frequency of the droplet and the film vibration and found that it was twice the input signal;we also carried out frequency analysis experiments. The frequency-doubling phenomenon can be explained theoretically. Our findings may offer a practical method for drug encapsulation and for the actuation of microelectromechanical system devices.
KeywordElectro-elasto-capillarity Elasto-capillarity Frequency Doubling Electrowetting On a Moving Substrate Superhydrophobic Surfaces Zno Nanoparticles Bouncing Behavior Dynamics Equilibrium Fabrication
Subject Area物理力学
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000306847700003
Funding OrganizationThis work was jointly supported by the National Natural Science Foundation of China (NSFC;grant no. 11072244), the Key Research Program of the Chinese Academy of Sciences (grant no. KJZD-EW-M01) and the Instrument Developing Project of the Chinese Academy of Sciences (grant no. Y2010031).
DepartmentLNM纳/微系统力学与物理力学
Classification二类/Q1
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46733
Collection非线性力学国家重点实验室
Corresponding AuthorZhao, YP; Chinese Acad Sci, State Key Lab Nonlinear Mech LNM, Inst Mech, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Wang ZQ,Wang FC,Zhao YP,et al. Tap dance of a water droplet[J]. PROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES,2012,468(2145):2485-2495.
APA 王子千,王奉超,赵亚溥,Zhao, YP,&Chinese Acad Sci, State Key Lab Nonlinear Mech LNM, Inst Mech, Beijing 100190, Peoples R China..(2012).Tap dance of a water droplet.PROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES,468(2145),2485-2495.
MLA 王子千,et al."Tap dance of a water droplet".PROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES 468.2145(2012):2485-2495.
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